Hidayat, Almaranda Aisyanissa, Joni Maulindar, and Ratna Puspita Indah. 2025. “Application of Item-Based Collaborative Filtering Method for Skincare Recommendation System”. Journal of Advances in Information and Industrial Technology 7 (1). Surabaya, Indonesia:13-20. https://doi.org/10.52435/jaiit.v7i1.588.